CN103475932A - Seamless on-line playing method and device of network video and network television system - Google Patents
Seamless on-line playing method and device of network video and network television system Download PDFInfo
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Abstract
The invention discloses a seamless on-line playing method of network video. The seamless on-line playing method comprises the steps that when a video playing request is detected, URL address lists corresponding to the video playing request are obtained; a first URL address in the URL address lists is obtained, data buffering is carried out according to the first URL address, and video data corresponding to the first URL address are obtained and played; after the data buffering is finished, according to the sequence of the URL address lists, data video corresponding to the URL address lists are downloaded in sequence and are locally buffered; when the playing of the current video data is finished, the next local video data are obtained to be played. The invention further discloses a seamless on-line playing device of the network video and a network television system. The buffering and waiting phenomenon only occurs in the first video playing process, the playing of the subsequent video is equivalent to local playing, and therefore the continuity of video playing is ensured, and the real-time performance of the interaction between users and a network is ensured.
Description
Technical field
The present invention relates to the Web TV field, relate in particular to a kind of seamless online player method of Internet video and device, network television system.
Background technology
At present, along with the continuous increase of the network bandwidth, people are to the demand of media information also in continuous increase, and all kinds of media application will become a part indispensable in people's informatized life.For example, the Android(Android) multimedia application on TV: Tengxun's video, like strange skill, Netease's video, excellent cruel video, Sina's video, news headlines etc.And current Android TV is due to the restriction that is subject to the network bandwidth, the situation that in the online process of playing of Internet video, buffering is waited for occurs often, will cause like this user to need could continue to watch next video after a burst of buffering is waited for after a video information on finishing watching, but also need in the process of watching a video, restrain oneself the unstable buffering Holding Problem brought due to network speed, thereby can't guarantee real-time mutual between user and network.
Summary of the invention
Main purpose of the present invention is to provide a kind of seamless online player method of Internet video and device, network television system, is intended to guarantee the online continuity of playing of Internet video.
For reaching above purpose, the invention provides a kind of seamless online player method of Internet video, comprise the following steps:
While detecting the video playback request, obtain URL address list corresponding to this video playback request;
Obtain first URL address in the URL address list, and carry out data buffering according to this first URL address, obtain video data corresponding to this first URL address, and play;
After data buffering finishes, according to the order of URL address list, download successively the video data that each URL address list is corresponding, and be buffered in this locality;
When current video data is play end, obtain local next video data and play.
Preferably, describedly after data buffering finishes, according to the order of URL address list, download successively the video data that each URL address list is corresponding, and preserve this locality and comprise:
After data buffering finishes, according to the order of URL address list, obtain successively the header file of video corresponding to each URL address in the URL address list;
Compare according to the size of video in this header file and default threshold value, and process accordingly according to comparative result, until obtain video data corresponding to URL address all in the URL address list.
Preferably, the described size according to video in header file and default threshold value compare, and carry out corresponding the processing according to comparative result and comprise:
In header file, the size of video is less than or equal to default threshold value, downloads this video data, and is buffered in this locality; After video has been downloaded, this URL address is deleted from the URL address list simultaneously;
In header file, the size of video is greater than default threshold value, this URL address is placed to the last of URL address list, and obtains the header file of video corresponding to next URL address.
Preferably, describedly after data buffering finishes, according to the order of URL address list, download successively the video data that each URL address list is corresponding, and be buffered in after local and also comprise:
After video corresponding to URL address downloaded, this URL address is added into to playlist, obtain video cache corresponding to this URL address associated with the URL address in playlist in local memory address simultaneously.
Preferably, described when current video data play to finish, obtain local next video data and play and comprise:
When current video data is play end, according to the memory address of next URL address association of playing in playlist, obtain corresponding video data;
After all video datas are play end, the video data of this local cache is deleted.
The embodiment of the present invention also provides a kind of seamless online playing device of Internet video, comprising:
URL address list acquisition module, when detecting the video playback request, obtain URL address list corresponding to this video playback request;
The video buffer module, for obtaining first URL address of URL address list, and carry out data buffering according to this first URL address, obtains video data corresponding to this first URL address;
Video acquiring module, after finishing at data buffering, according to the order of URL address list, download successively the video data that each URL address list is corresponding, and be buffered in this locality;
The video playback module, for playing video data corresponding to first URL address; When current video data is play end, obtain local next video data and play.
Preferably, described video acquiring module comprises:
The header file acquiring unit, for after data buffering finishes, according to the order of URL address list, obtain the header file of video corresponding to each URL address in the URL address list successively;
The video data acquiring unit, compare for the size according to this header file video and default threshold value, and process accordingly according to comparative result, until obtain video data corresponding to URL address all in the URL address list.
Preferably, described video data acquiring unit is used for:
In header file, the size of video is less than or equal to default threshold value, downloads this video data, and is buffered in this locality; After video has been downloaded, this URL address is deleted from the URL address list simultaneously;
In header file, the size of video is greater than default threshold value, this URL address is placed to the last of URL address list, and obtains the header file of video corresponding to next URL address.
Preferably, described video acquiring module also for: after video corresponding to URL address downloaded, this URL address is added into to playlist, obtains video cache corresponding to this URL address in local memory address simultaneously, and it is associated with the URL address in playlist.
Preferably, described video playback module also for: when current video data play to finish, according to the memory address of next URL address association of playing in playlist, obtain corresponding video data; After all video datas are play end, the video data of this local cache is deleted.
The embodiment of the present invention also provides network television system in, this network television system comprises high in the clouds equipment, television terminal and middle-agent's server, described television terminal comprises the device of the Internet video seamless play of said structure, URL address list acquisition module and described high in the clouds equipment in this device are mutual, obtain the URL address list; Video acquiring module in this device and video buffer module, by middle-agent's server, are obtained video data corresponding to each URL address in the URL address list.
The embodiment of the present invention is by obtaining the URL address list, and, after first video buffer finishes, obtains successively video data corresponding to remaining URL address in the URL address list, and by its buffer memory to local.Therefore, the embodiment of the present invention only there will be buffering to wait for phenomenon in first video display process, and the broadcasting of subsequent video is equal to local the broadcasting, thereby has guaranteed the continuity of video playback, has guaranteed real-time mutual between user and network.
The accompanying drawing explanation
Fig. 1 is the schematic flow sheet of seamless online player method first embodiment of Internet video of the present invention;
Fig. 2 is the schematic flow sheet of video corresponding to URL address in the download URL address list in Fig. 1;
Fig. 3 is the schematic flow sheet of seamless online player method second embodiment of Internet video of the present invention;
Fig. 4 is the schematic flow sheet that corresponding video is play to the URL address in Fig. 1 or Fig. 3;
Fig. 5 is the high-level schematic functional block diagram of the seamless online playing device preferred embodiment of Internet video of the present invention;
Fig. 6 is the high-level schematic functional block diagram of video acquiring module in Fig. 5;
Fig. 7 is the function structure schematic diagram of network television system of the present invention.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Further illustrate technical scheme of the present invention below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
In order to make in the online playing process of a group network video, avoid the impact of networking bandwidth, and the continuity of assurance video, guaranteed real-time mutual between user and network, the embodiment of the present invention has proposed a kind of seamless online player method of Internet video, first obtain the URL(Uniform Resoure Locator of a group network video to be played, uniform resource locator) address list, and after in first URL address, corresponding data buffering finishes, on backstage, according to the order in the URL address list, obtain successively video data corresponding to each URL address, and buffer memory.After current video play to finish, can obtain next video data and be play, thereby realize the seamless online broadcasting of Internet video.Below the main broadcasting with the Internet video on Web TV is specifically described the embodiment of the present invention, the broadcasting of the Internet video of other-end also can be implemented with reference to it certainly.
With reference to Fig. 1, the invention provides a kind of seamless online player method of Internet video, comprise the following steps:
Step S110, while detecting the video playback request, obtain URL address list corresponding to this video playback request;
When the user opens Web TV, and while entering news application, detect the video playback request, and obtain URL address list corresponding to a group network video in this video playback request.In the present embodiment, the length of this URL address list is 50, certainly can also be set to other numbers.What deserves to be explained is, here can also adopt the playing duration restriction, rather than the number of video segment restriction, the total duration of broadcasting or data volume that the video that the URL address list is corresponding is set are a threshold values, when reaching certain numerical value, the video that the URL address list is corresponding is set to a video group.
This video playback request can be pre-set by the user, wishes to pay close attention to the news-video of the classifications such as science and technology, amusement, important news, finance and economics such as the user, the URL address that can obtain the corresponding news-video of this classification, and form corresponding URL address list.If this news number is greater than the length of URL address list, it is stored as to a plurality of URL address lists, when the user finishes watching the news-video of URL address list, can obtain next URL address list.
Step S120, obtain first URL address in the URL address list, and carry out data buffering according to this first URL address, obtain video data corresponding to this first URL address, and play;
Obtain first URL address of URL address list, and according to this first URL address, to corresponding video station for acquiring video data, and buffer memory.Then the data of this buffer memory are play.
Step S130, after the data buffering of first URL address finishes, according to the order of URL address list, download successively the video data that each URL address list is corresponding, and be buffered in this locality;
Whether the data that detect this first URL address in real time cushion end, specifically can pass through interface onBuffering Update (MediaPlayer arg0, int percent) the integrated buffer progress of monitoring current video, when the percent value equals 100, illustrate that current video all cushions complete.
After the data buffering of first URL address finishes, obtain successively video data corresponding to remaining URL address in the URL address list, and it is buffered in to this locality.
Step S140, when current video data play to finish, obtain local next video data and play.
Detect in real time current video data and whether play end, after current video data is play end, from local cache, obtain next video data and play.
The embodiment of the present invention is by obtaining the URL address list, and, after first video buffer finishes, obtains successively video data corresponding to remaining URL address in the URL address list, and by its buffer memory to local.Therefore, the embodiment of the present invention only there will be buffering to wait for phenomenon in first video display process, and the broadcasting of subsequent video is equal to local the broadcasting, thereby has guaranteed the continuity of video playback, has guaranteed real-time mutual between user and network.
Further, with reference to Fig. 2, above-mentioned steps S130 comprises:
Step S131, after data buffering finishes, according to the order of URL address list, obtain successively the header file of video corresponding to each URL address in the URL address list;
The header file of video comprises total length and the size information of this video.
Step S132, according to the size of video in this header file and default threshold value, compare, and process accordingly according to comparative result, until obtain video data corresponding to URL address all in the URL address list.
Be specially: the video size of showing when the header file acceptance of the bid is less than or equal to default threshold value, downloads this video data, and is buffered in this locality; After video has been downloaded, this URL address is deleted from the URL address list simultaneously;
The size of the video shown when header file acceptance of the bid is greater than default threshold value, this URL address is placed to the last of URL address list, and obtains the header file of video corresponding to next URL address.
In the present embodiment, default threshold value is 5M, and this threshold value is can be according to the mean size adjustment of all videos.If in header file, the size of video is greater than default threshold value, this URL address is placed to the last of URL address list, so that large video has accounted for spatial cache, and make the follow-up downloading data can't buffer memory.
Further, with reference to Fig. 3, after above-mentioned steps S130, also comprise:
Step S150, after video corresponding to URL address downloaded, this URL address is added into to playlist, obtain video cache corresponding to this URL address in local memory address, and it is associated with the URL address in playlist simultaneously.
After having downloaded by the video data corresponding to the URL address, the URL address is added into to playlist, so that carry out played in order according to playlist while playing.By this URL address, the buffer address of corresponding video is associated with the URL address in playlist simultaneously, make and can find fast corresponding video data in buffer memory according to the URL address in this playlist, and play, thereby further guaranteed the continuity of video playback.
Further, with reference to Fig. 4, above-mentioned steps S140 comprises:
Step S140, when current video data play to finish, according to the memory address of next URL address association of playing in playlist, obtain corresponding video data;
Be specially by interface on Completion (MediaPlayer mp) monitoring current video and whether finish, if playing, finishes current video,, according to associated memory address in next URL address of playing in playlist, to spatial cache, obtain corresponding video data.
Step S142, after current video data play to finish, the video data of this local cache is deleted.
Simultaneously, in order not take spatial cache, after current video data is play end, the video data of this local cache is deleted.
Accordingly, with reference to Fig. 5, the embodiment of the present invention also provides a kind of seamless online playing device of Internet video, and it comprises:
URL address list acquisition module 110, when detecting the video playback request, obtain URL address list corresponding to this video playback request;
When the user opens Web TV, and while entering news application, 110 of URL address list acquisition modules detect the video playback request, and obtain URL address list corresponding to a group network video in this video playback request.In the present embodiment, the length of this URL address list is 50.120 of video buffer modules are obtained first URL address of URL address list, and according to this first URL address, to corresponding video station for acquiring video data, and buffer memory.Then the data of this buffer memory are play.Whether 130 data that detect in real time this first URL address of video acquiring module cushion end, after the data buffering of first URL address finishes, obtain successively video data corresponding to remaining URL address in the URL address list, and it is buffered in to this locality.140 data to buffer memory of video playback module are play, and detect in real time current video data simultaneously and whether play end, after current video data is play end, from local cache, obtain next video data and are play.
The embodiment of the present invention is by obtaining the URL address list, and, after first video buffer finishes, obtains successively video data corresponding to remaining URL address in the URL address list, and by its buffer memory to local.Therefore, the embodiment of the present invention only there will be buffering to wait for phenomenon in first video display process, and the broadcasting of subsequent video is equal to local the broadcasting, thereby has guaranteed the continuity of video playback, has guaranteed real-time mutual between user and network.
Further, with reference to Fig. 6, above-mentioned video acquiring module 130 comprises:
Header file acquiring unit 131, for after data buffering finishes, according to the order of URL address list, obtain the header file of video corresponding to each URL address in the URL address list successively;
Video data acquiring unit 132, compare for the size according to this header file video and default threshold value, and process accordingly according to comparative result, until obtain video data corresponding to URL address all in the URL address list.
The header file of above-mentioned video comprises total length and the size information of this video.After header file acquiring unit 131 video data corresponding in first URL address buffering finishes, obtain successively the header file of video corresponding to each URL address in each URL address list.Then, 132 sizes according to video in this header file of video data acquiring unit and default threshold value compare, and in header file, the size of video is less than or equal to default threshold value, downloads this video data, and is buffered in this locality; After video has been downloaded, this URL address is deleted from the URL address list simultaneously; In header file, the size of video is greater than default threshold value, this URL address is placed to the last of URL address list, and obtains the header file of video corresponding to next URL address.In the present embodiment, this default threshold value is 5M, and this threshold value is can be according to the mean size adjustment of all videos.If in header file, the size of video is greater than default threshold value, this URL address is placed to the last of URL address list, so that large video has accounted for spatial cache, and make the follow-up downloading data can't buffer memory.
Further, above-mentioned video acquiring module 130 also for: after video corresponding to URL address downloaded, this URL address is added into to playlist, obtains video cache corresponding to this URL address in local memory address simultaneously, and it is associated with the URL address in playlist.
After having downloaded by the video data corresponding to the URL address, the URL address is added into to playlist, so that carry out played in order according to playlist while playing.By this URL address, the buffer address of corresponding video is associated with the URL address in playlist simultaneously, make and can find fast corresponding video data in buffer memory according to the URL address in this playlist, and play, thereby further guaranteed the continuity of video playback.
Further, above-mentioned video playback module 140 also for: when current video data play to finish, according to the memory address of next URL address association of playing in playlist, obtain corresponding video data; After all video datas are play end, the video data of this local cache is deleted.
This video playback module 140 is play and is obtained video information from buffer memory and play for obtain video information from network.In the present embodiment, the Mediaplayer player that this video playback module 140 can adopt the Android system to carry, this Mediaplayer player can be used for controlling the broadcasting of audio/video file or stream, and the monitor interface of its life cycle state of monitoring is provided, can monitors easily the current residing state of player.Be specially, by interface on Completion (MediaPlayer mp) monitoring current video, whether finish, finish if current video is play,, according to associated memory address in next URL address of playing in playlist, to spatial cache, obtain corresponding video data.Simultaneously, in order not take spatial cache, after current video data is play end, in time the video data of this local cache is deleted.
The seamless online player method of the Internet video of above-described embodiment is applied to network television system, as shown in Figure 7, this network television system comprises: high in the clouds equipment 200, television terminal 100, middle-agent's server 300, Web server, wherein television terminal 200 comprises the seamless online playing device of above-mentioned Internet video.Wherein, in the seamless online playing device of Internet video, URL address list acquisition module 110 is mutual with high in the clouds equipment 200, obtains the URL address list.Be specially: in the present embodiment, by http, POST mode, to high in the clouds equipment 200, send request, high in the clouds equipment returns to the xml formatted data, and 110 of URL address list acquisition modules are resolved rear acquisition URL address list to this xml formatted data.High in the clouds equipment 200 is Cloud Server, is responsible for regularly capturing from each large main flow video website the network address of current latest news information.Middle-agent's server 300 is between the video acquiring module 130 of television terminal 100 and another station server between video buffer module 120 and Web server, by this middle-agent's server 300, television terminal no longer needs directly to Web server, to go to obtain video information, but is fetched the needed video information of television terminal 100 and forwarded the local cache space that is saved in television terminal 100 by acting server 300.The local cache space is physical memory to be marked off to a part of space be used for preserving the video resource of downloading.In the present embodiment, the spatial cache of establishment is 100M, and the local cache space size is adjusted according to the threshold value of single video and video sum.
In embodiments of the present invention, can pass through the direct foradownloaded video information of television terminal, also can be understood as the pre-download server by middle-agent's server 300() go to obtain video information and transfer to again television terminal the machine.
The embodiment of the present invention is by obtaining the URL address list, and, after first video buffer finishes, obtains successively video data corresponding to remaining URL address in the URL address list, and by its buffer memory to local.Therefore, the embodiment of the present invention only there will be buffering to wait for phenomenon in first video display process, and the broadcasting of subsequent video is equal to local the broadcasting, thereby has guaranteed the continuity of video playback, has guaranteed real-time mutual between user and network.
The foregoing is only the preferred embodiments of the present invention; not thereby limit its scope of the claims; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (11)
1. the seamless online player method of an Internet video, is characterized in that, comprises the following steps:
While detecting the video playback request, obtain URL address list corresponding to this video playback request;
Obtain first URL address in the URL address list, and carry out data buffering according to this first URL address, obtain video data corresponding to this first URL address, and play;
After data buffering finishes, according to the order of URL address list, download successively the video data that each URL address list is corresponding, and be buffered in this locality;
When current video data is play end, obtain local next video data and play.
2. the seamless online player method of Internet video according to claim 1, is characterized in that, describedly after data buffering finishes, according to the order of URL address list, downloads successively the video data that each URL address list is corresponding, and preserve this locality and comprise:
After data buffering finishes, according to the order of URL address list, obtain successively the header file of video corresponding to each URL address in the URL address list;
Compare according to the size of video in this header file and default threshold value, and process accordingly according to comparative result, until obtain video data corresponding to URL address all in the URL address list.
3. the seamless online player method of Internet video according to claim 2, is characterized in that, the described size according to video in header file and default threshold value compare, and carry out corresponding the processing according to comparative result and comprise:
In header file, the size of video is less than or equal to default threshold value, downloads this video data, and is buffered in this locality; After video has been downloaded, this URL address is deleted from the URL address list simultaneously;
In header file, the size of video is greater than default threshold value, this URL address is placed to the last of URL address list, and obtains the header file of video corresponding to next URL address.
4. the seamless online player method of Internet video according to claim 1, it is characterized in that, described after data buffering finishes, according to the order of URL address list, download successively the video data that each URL address list is corresponding, and be buffered in local also comprising afterwards:
After video corresponding to URL address downloaded, this URL address is added into to playlist, obtain video cache corresponding to this URL address associated with the URL address in playlist in local memory address simultaneously.
5. the seamless online player method of Internet video according to claim 4, is characterized in that, described when current video data play to finish, and obtains local next video data and play and comprise:
When current video data is play end, according to the memory address of next URL address association of playing in playlist, obtain corresponding video data;
After all video datas are play end, the video data of this local cache is deleted.
6. the seamless online playing device of an Internet video, is characterized in that, comprising:
URL address list acquisition module, when detecting the video playback request, obtain URL address list corresponding to this video playback request;
The video buffer module, for obtaining first URL address of URL address list, and carry out data buffering according to this first URL address, obtains video data corresponding to this first URL address;
Video acquiring module, after finishing at data buffering, according to the order of URL address list, download successively the video data that each URL address list is corresponding, and be buffered in this locality;
The video playback module, for playing video data corresponding to first URL address; When current video data is play end, obtain local next video data and play.
7. the seamless online playing device of Internet video according to claim 6, is characterized in that, described video acquiring module comprises:
The header file acquiring unit, for after data buffering finishes, according to the order of URL address list, obtain the header file of video corresponding to each URL address in the URL address list successively;
The video data acquiring unit, compare for the size according to this header file video and default threshold value, and process accordingly according to comparative result, until obtain video data corresponding to URL address all in the URL address list.
8. the seamless online playing device of Internet video according to claim 7, is characterized in that, described video data acquiring unit is used for:
In header file, the size of video is less than or equal to default threshold value, downloads this video data, and is buffered in this locality; After video has been downloaded, this URL address is deleted from the URL address list simultaneously;
In header file, the size of video is greater than default threshold value, this URL address is placed to the last of URL address list, and obtains the header file of video corresponding to next URL address.
9. the seamless online playing device of Internet video according to claim 6, it is characterized in that, described video acquiring module also for: after video corresponding to URL address downloaded, this URL address is added into to playlist, obtain video cache corresponding to this URL address in local memory address simultaneously, and it is associated with the URL address in playlist.
10. the seamless online playing device of Internet video according to claim 9, it is characterized in that, described video playback module also for: when current video data play to finish, according to the memory address of next URL address association of playing in playlist, obtain corresponding video data; After all video datas are play end, the video data of this local cache is deleted.
A 11. network television system, it is characterized in that, comprise high in the clouds equipment, television terminal and middle-agent's server, described television terminal comprises as the described device of claim 6-10 any one, URL address list acquisition module and described high in the clouds equipment in this device are mutual, obtain the URL address list; Video acquiring module in this device and video buffer module, by middle-agent's server, are obtained video data corresponding to each URL address in the URL address list.
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